You can see it in the last picture. As a bonus, while I was ordering parts I googled 'ecofan' just to see the fan blades they use, and amazon was offering a flash deal on a similar type fan by a different maker for $25, so I grabbed that too. By circulating the heat … That way, As heat makes its way from the hot side to the cooler side, it passes through the peltier plate, generating a small current. 55 Get … All in all, about a couple hours of work! To do that, we have to adapt down to 1/4 inch NPT (national pipe thread). I always wanted to build a Stirling engine but the complexity was a little too much for me, but this project was easily doable as a weekend project! Usually electricity is used to generate the peltier effect and causes one side to cool while the other side heats up. Good idea! I got my hands on a chunk of aluminum I-beam somehow, but I am not sure where it came from. My vernier calipers is not digital, so it is hard to make precise measurements, but I think the aluminum I made my fan blade from is about .045 inch thick. You don't have to do this, as you could use only one hole w/bolt, or you could use epoxy glue. The fan gets its power from a peltier element that is used in reverse, i.e. 2 years ago. Might give it a go one week end cheers.Steve. If you are looking for inspiration, you can check out YouTube. Good luck and let me know how it goes! With an innovative design, it will compliment any stove. The engine blocks of small air-cooled engines, while not as effective (at shedding heat) as heat sinks from computers, make interesting pieces. on Introduction. make the heat power transfer unit to power a computer cooling fan.. many are 5-12v. So I bought an EcoFan for a friend and decided that it was a cool concept and built one from scratch. I have one on my computer, it's for the CPU, the processor. One thing we will have to do is sandwich the peltier between the two chunks of metal. On the baseplate is a routed track with about a half inch by three inch bi metal strip fixed at the rear. That way, As … However for the couple hours it worked it really helped spread the heat evenly through the house and looked like that might reduce the amount of wood I needed burn. Hacksaw Nice build by the way of using the chainsaw block. Awesome project! I'm hoping to eventually build one for my various heaters,, could also build one for taking camping... tent use.. Glad to know you are part of the community. No because the Peltier module generates DC. .) Would it work if I do as he does, use a ac electric motor? This Heat Powered Stove Fan helps spread the warmth. I may add some epoxy glue to help it hold up. If weren't trashed because something in them stopped working. About: I love experimenting with science and physics, especially projects that involve electromagnetism, energy conservation and audio. Hopefully you won't have to do anything like that, as the hardware stores carry all kinds of fittings, and a dishwasher elbow might work really well to replace most my brass parts. Simply put, peltiers normally work like this: power in = heat transfer from one side to the other. But when placed on the stove I guess I am losing the temp difference. 1x scrap 1/8" aluminium plate The wiring is explain on Wiki, "Thermoelectric generator", which is a great help, and easy to understand, as well as with pictures. Have just bought a commercially produced one of these and has a very simple overheat design. Winter’s struck and we’re all feeling the chill. cant one use two or three pelletiers wired in series to get more power to a bigger motor? You can put a few together, as described there, and do lots of things with the power they produce, quite fascinating. Heat-Powered Fan One of the stand-out features of the Caframo Limited 812AM-KBX Ecofan Airmax is that it boasts of a heat-powered motor, which basically means, it is not going to be using any electricity for the heat it Mostly they are used for cooling things like computer processors. I have tried to build this , but as the stove gets hot it heats up my cool side heatsink (dell) too ,thus there is no temp difference and I am getting ca 1.2V max . Also, try going to computer repair places and asking about any heat sinks they might be willing to part with. 99 Reply Yup, the peltier will act as a thermoelectric generator! How it works The magical part about this fan is that it converts the heat of the stove top into electricity, which it then uses to spin the fan blade. It looks like you did a great job, I will have to read it more thoroughly when I get a chance. Share it with us! Increase the efficiency of your freestanding stove oven or wood burner and circulate warm air around your room the economical way Self-starts at 60°C with a working temperature up to 350° Speed self … Anyway, some things I need to work on. Oh, and sorry if I spoiled your trash to treasure plans. 1x Peltier ($30 shipped ebay) Not a whole lot of power, so Radio Shack to the rescue! I fed mine through the intake port, then up through the cylinder and out the spark plug hole. Nice job.No mention of the finned Alloy and Copper tube arrangement though, where was that sourced? In this instructable, I will show you how to make a heat-powered fan. As for the cooler side, we will attach a chunk of metal to that as well. Then I drilled the holes in the I-beam. Got a hobby motor for $3. 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Of it, so it is generating electricity from the heat it produced people who heat just by stoves...
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